Resposta :

lucarvalho7
x + y = 150
x = 2y
2y + y = 150
3y = 150
y = 50

x + 50 = 150
x = 100

Luanferrao
[tex]\boxed{x+y = 150}[/tex]

[tex]\boxed{x=2y}[/tex]

[tex]2y+y = 150\\\\ 3y=150\\\\ y=\frac{150}{3}\\\\ \boxed{y=50}[/tex]

[tex]x+50=150\\\\ x=150-50\\\\\ \boxed{x=100}[/tex]

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